Update app.py

app.py

@@ -180,12 +180,14 @@ if st.sidebar.button('Generate My Music'):
             with st.spinner('✨ Your music is now under processing... ✨'):
                 time.sleep(10)  # Simulate processing time
                 generate(10, len_notes)
-
-                fs = FluidSynth('font.sf2', sample_rate=44100)
-                fs.midi_to_audio('test_output2.mid', 'output.wav')
-
-                st.audio('output.wav')
-                st.markdown("Here you are! You can download your music by right-clicking on the media player.")
+                if shutil.which("fluidsynth") is None:
+                    st.error("FluidSynth is not available. Unable to convert MIDI to audio.")
+                else:
+                    fs = FluidSynth('font.sf2', sample_rate=44100)
+                    fs.midi_to_audio('test_output2.mid', 'output.wav')
+                    st.audio('output.wav')
+                    st.markdown("Here you are! You can download your music by right-clicking on the media player.")               
+                
     else:
         # Fallback to the default value if no selection is made
         with st.container():
@@ -194,10 +196,11 @@ if st.sidebar.button('Generate My Music'):
             with st.spinner('✨ Your music is now under processing... ✨'):
                 time.sleep(10)  # Simulate processing time
                 generate(10, default_len_notes)
-
-                fs = FluidSynth('font.sf2', sample_rate=44100)
-                fs.midi_to_audio('test_output2.mid', 'output.wav')
-
-                st.audio('output.wav')
-                st.markdown("Here you are! You can download your music by right-clicking on the media player.")
-
+                if shutil.which("fluidsynth") is None:
+                    st.error("FluidSynth is not available. Unable to convert MIDI to audio.")
+                else:
+                    fs = FluidSynth('font.sf2', sample_rate=44100)
+                    fs.midi_to_audio('test_output2.mid', 'output.wav')
+                    st.audio('output.wav')
+                    st.markdown("Here you are! You can download your music by right-clicking on the media player.")
+